„Finally, „image” [imago] differs from „similitude” because it embraces a greater energy, emphasis and universality, for there is more being for image than for similitude. Image tends more to unequivocality than does similitude. And it is the same for things not only when they are in the same genus but also when they are outside their own genus. Just as one artifice is said to be similar to a certain artifice, nonetheless it is not called similar either in relation to its image, or in its image unless it is in a very close genus or in the same species”